Matrix steels
[化] 基体钢
🧩 词语组成解析
n. 刀组；各种钢（steel的复数）
🗣️ 情景例句
Three months ago.
三个月之前。
I'd like to explain what makes this factory special.
我要向你说明本工厂的特性。
However, they have decided to use the post office.
然而她们还是决定利用邮局。